worldweather21°Cexceptionally cool
usually 22°C–26°C
cooler than 92% of similar days
night: exceptionally warm
rain: typical rainfall
wind: exceptionally light
Weather in Arica - 14-day forecast
Detailed weather forecast for Arica, Chile: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Arica
today🌤️
21°night 17°
Sun☀️
21°night 17°
Mon☀️
21°night 18°
Tue🌤️
22°night 18°
Wed☀️
21°night 17°
Thu☁️
20°💧 0.2 mm
Fri☀️
20°night 17°
Sat☀️
19°night 17°
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Thursday 10 Sept in Arica, the forecast high is 20°C. Typical daytime temperatures at this time of year range from 22°C to 25°C, so it will be exceptionally cool. It is cooler than 96% of similar days.
21°Ccooler than usual
usually 22°C–25°C
cooler than 89% of similar days
night: exceptionally warm
rain: typical rainfall
wind: exceptionally light
21°Cexceptionally cool
usually 22°C–25°C
cooler than 90% of similar days
night: exceptionally warm
rain: typical rainfall
wind: exceptionally light
22°Ccooler than usual
usually 22°C–25°C
cooler than 84% of similar days
night: exceptionally warm
rain: typical rainfall
wind: exceptionally light
21°Cexceptionally cool
usually 22°C–25°C
cooler than 91% of similar days
night: exceptionally warm
rain: typical rainfall
wind: exceptionally light
20°Cexceptionally cool
usually 22°C–25°C
cooler than 96% of similar days
night: exceptionally warm
rain: exceptionally wet
wind: exceptionally light
20°Cexceptionally cool
usually 22°C–25°C
cooler than 96% of similar days
night: exceptionally warm
rain: typical rainfall
wind: exceptionally light
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 24°C by day. The coolest year was 2001 (21°C) and the warmest was 2016 (26°C). The current forecast averages 21°C - lower than in 98% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Arica
Arica 30 & 45-day weather - long-range outlook
Next 15 days · forecast
21°
around 18° at night · days with rain: 0
Weeks 3-4 · avg for September
18°
around 15° at night · rain chance 1%
Weeks 5-7 · avg for October
20°
around 16° at night · rain chance 0%
The 30 & 45-day outlook for Arica: the next 15 days are a numerical forecast updated daily - on average 21° by day and 18° at night. Further out we rely on multi-year climate averages: around 18° in September, and about 20° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Arica
Saturday5 September 2026
🌤️21°scattered clouds
Sunday6 September 2026
☀️21°clear sky
Monday7 September 2026
☀️21°clear sky
Tuesday8 September 2026
🌤️22°scattered clouds
Wednesday9 September 2026
☀️21°clear sky
Thursday10 September 2026
☁️20°overcast clouds
Friday11 September 2026
☀️20°clear sky
Saturday12 September 2026
☀️19°clear sky
Sunday13 September 2026
☀️20°clear sky
Monday14 September 2026
☀️21°clear sky
Tuesday15 September 2026
☀️20°clear sky
Wednesday16 September 2026
☀️21°clear sky
Thursday17 September 2026
☀️21°clear sky
Friday18 September 2026
☀️20°clear sky
Saturday19 September 2026
☀️21°clear sky
UV index in Arica - is it safe to sunbathe?
Today the UV index in Arica is 8 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.
Sea temperature - Arica
Water today
19°C
Week avg
20°C
Waves today
1.6 m
How's the water?
brisk
16-day sea temperature forecast:
Average sea temperature through the year:
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Air quality and smog in Arica
Air quality in Arica is currently very good. Fine particulate PM2.5: 8.6 µg/m³, PM10: 15.2 µg/m³.
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Arica | 8.6 | 15.2 | very good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-04, 22:00).
Arica weather through the year
Upcoming public holidays in Chile: Independence Day — 18 September · Army Day — 19 September · Columbus Day — 12 October.
Nearby and related places
FAQ - Arica weather
What is the weather like in Arica today?
Today it is about 21° during the day and 17° at night, scattered clouds.
How far ahead can I check the forecast for Arica?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.